Polarized Light Cues Help Bats Find Their Way

July 23, 2014 12:40 AM

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It's not all about echo location. As dusk descends, bats quickly set an "internal compass" using polarized light that will help them find their way at night, according to a recent study.

The study, published in the journal Nature Communications, details how bats calibrate their internal magnetic compass once daily using polarized light.

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